BQ24103ARHLR
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Texas Instruments BQ24103ARHLR

Manufacturer No:
BQ24103ARHLR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC BATT CHG LI-ION 1-2CEL 20VQFN
Delivery:
Payment:
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Product Introduction

Overview

The BQ24103ARHLR is a synchronous switched-mode, Li-Ion and Li-Polymer charge-management IC manufactured by Texas Instruments. This device is part of the bqSWITCHER family and is designed to provide efficient and reliable battery charging solutions. It features integrated power FETs, making it a comprehensive solution for battery management in various electronic devices.

Key Specifications

Attribute Value
Manufacturer Texas Instruments
Part Number BQ24103ARHLR
Package QFN-20-EP (3.7x4.7)
Cell Configuration 1 or 2 cells selectable (4.2 V or 8.4 V)
Output Voltage Regulation 4.2 V or 8.4 V depending on CELLS pin configuration
Fast Charge Current Range 150 mA to 2000 mA
Temperature Sense Input Monitors voltage against an internal threshold using an NTC thermistor
RoHS Compliance Yes

Key Features

  • Integrated Power FETs: Reduces external component count and enhances efficiency.
  • Selectable Cell Configuration: Supports 1 or 2 cells with adjustable output voltage (4.2 V or 8.4 V).
  • Programmable Charge Current: Allows for flexible charge current settings.
  • Temperature Monitoring: Uses an NTC thermistor to monitor temperature and prevent overcharging.
  • Charge Status Indicators: Provides status outputs (STAT1 and STAT2) to indicate charge status.
  • Low-Power Sleep Mode: Enters sleep mode when VCC is removed to prevent battery drain.

Applications

  • Portable Electronics: Suitable for charging batteries in smartphones, tablets, and other portable devices.
  • Industrial Battery Management: Used in industrial applications requiring reliable and efficient battery charging.
  • Consumer Electronics: Ideal for battery-powered consumer devices such as e-readers, handheld games, and more.
  • Automotive Systems: Can be used in automotive systems that require advanced battery management.

Q & A

  1. What is the BQ24103ARHLR used for?

    The BQ24103ARHLR is used for Li-Ion and Li-Polymer battery charge management in various electronic devices.

  2. What package type does the BQ24103ARHLR come in?

    The BQ24103ARHLR comes in a QFN-20-EP (3.7x4.7) package.

  3. Can the BQ24103ARHLR support both 1 and 2 cell configurations?

    Yes, it supports both 1 and 2 cell configurations with adjustable output voltage (4.2 V or 8.4 V).

  4. How does the BQ24103ARHLR monitor temperature?

    It uses an NTC thermistor and a voltage divider to monitor temperature against an internal threshold.

  5. What is the fast charge current range of the BQ24103ARHLR?

    The fast charge current range is from 150 mA to 2000 mA.

  6. Is the BQ24103ARHLR RoHS compliant?

    Yes, the BQ24103ARHLR is RoHS compliant.

  7. What happens when the VCC pin is removed from the circuit?

    The device enters a low-power sleep mode to prevent battery drain.

  8. How does the BQ24103ARHLR indicate charge status?

    It provides status outputs (STAT1 and STAT2) to indicate various charge conditions.

  9. What are some common applications of the BQ24103ARHLR?

    Common applications include portable electronics, industrial battery management, consumer electronics, and automotive systems.

  10. Where can I find more detailed specifications for the BQ24103ARHLR?

    You can find detailed specifications in the datasheet available on the Texas Instruments website or through distributors like LCSC and X-On Electronics.

Product Attributes

Battery Chemistry:Lithium Ion/Polymer
Number of Cells:1 ~ 2
Current - Charging:Constant - Programmable
Programmable Features:Current, Timer
Fault Protection:Over Temperature, Over Voltage
Charge Current - Max:2A
Battery Pack Voltage:8.4V
Voltage - Supply (Max):16V
Interface:- 
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:20-VFQFN Exposed Pad
Supplier Device Package:20-VQFN (3.5x4.5)
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Similar Products

Part Number BQ24103ARHLR BQ24103ARHLT BQ24103RHLR BQ24113ARHLR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Battery Chemistry Lithium Ion/Polymer Lithium Ion/Polymer Lithium Ion/Polymer Lithium Ion/Polymer
Number of Cells 1 ~ 2 1 ~ 2 1 ~ 2 1 ~ 2
Current - Charging Constant - Programmable Constant - Programmable Constant - Programmable Constant - Programmable
Programmable Features Current, Timer Current, Timer Current, Timer Current, Timer
Fault Protection Over Temperature, Over Voltage Over Temperature, Over Voltage Over Temperature, Over Voltage Over Temperature, Over Voltage
Charge Current - Max 2A 2A 2A 2A
Battery Pack Voltage 8.4V 8.4V 8.4V 8.4V
Voltage - Supply (Max) 16V 16V 16V 16V
Interface - - - -
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad
Supplier Device Package 20-VQFN (3.5x4.5) 20-VQFN (3.5x4.5) 20-VQFN (3.5x4.5) 20-VQFN (3.5x4.5)

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